Michael Rigby-Jones wrote:

> 20km/l is 56mpg in imperial gallons or 47mpg in US gallons.  Modern diesels which are now very popular in Europe are quite capable of attaining these figures and better in many cases.  Most small petrol (gas) engined cars struggle to get much better than 40-45mpg.

There is a whole bunch of new diesel injectors that have considerably higher pressures and volumes so that the diesel engines can be designed with higher compression ratio's and avoid early detonation. The result is a lot higher power for the same swept displacement
and fuel.

w..

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